Mr. Xinyuan Wang Profile

Xinyuan Wang

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Proceedings Article | 23 November 2024 Poster + Paper

High-definition dynamic multilayer 3D display based on OpenGL and CUDA

Junjie Wang, Huarong Gu, Jialun Fei, Hongwei Zhang, Xinyuan Wang

Proceedings Volume 13239, 132391O (2024) https://doi.org/10.1117/12.3037349

KEYWORDS: OpenGL, 3D displays, Signal attenuation, Bone, 3D modeling, Virtual reality, Visualization, Data transmission, Data processing, Graphics processing units, Light

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In recent years, with the rapid development of emerging technologies such as virtual reality (VR) and augmented reality (AR), 3D display technology has attracted widespread attention. As a promising true 3D display technology, multi-layer 3D display is not only able to reproduce the light field, provide complete depth cues, and restore the real scene, but also has excellent viewing and interactive experience, which is widely used in the fields of virtual reality, medical imaging, and game development. However, although multilayer 3D display technology has made significant progress in displaying static scenes, it still faces challenges in displaying dynamic 3D scenes. To overcome these challenges, this study adopts OpenGL as the core technology to achieve dynamic drawing, real-time updating and rendering of graphics and models. At the same time, CUDA technology is used to combine the parallel computing capability of GPU to achieve high frame rate light field decomposition, which achieves 16.7 frames per second display of dynamic scenes at 1920×1080 resolution. This provides users with a more stunning and realistic viewing experience. Through the application of these innovative methods, the further development of multi-layer 3D display technology has been promoted, providing new possibilities and technical support for the display of dynamic 3D scenes. These results not only help to improve the user experience, but also open up a new research direction for the development of virtual reality technology.

Proceedings Article | 28 November 2023 Poster + Paper

Correction of color deviation in multi-layer light field displays

Jie Zhong, Huarong Gu, Hongwei Zhang, Xinyuan Wang, Jie Chen, Rongxing Deng

Proceedings Volume 12765, 1276519 (2023) https://doi.org/10.1117/12.2686312

KEYWORDS: 3D displays, RGB color model, Displays, Backlighting

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Among current true 3D display technologies, multi-layer 3D displays based on the principle of compressive light field have the advantages of high resolution, simple structure and faithful restoration of depth cues, demonstrating enormous research value and application potential. In recent years, multi-layer 3D displays have attracted increasing attention from researchers and some progresses have been made in improving the performance. However, there are still some limitations, such as the color deviation issue which causes unnatural colors of the reconstructed scene. In this paper, we propose using a customized look-up table (LUT) to alleviate the color deviation problem of multi-layer displays. For each of the display layers, we measured the response curves of the RGB channels, respectively, corresponding to different input gray levels. Then we compared them with a commercial standard display, so that we could correct each value within the gray range of the three channels to obtain a target output response, and the corrected values were used to build the look-up table. Using the customized LUT, we successfully achieved correction of color deviation in our multilayer display system. Finally, we demonstrated a 3D scene with natural colors, proving the effectiveness of our method on correcting the color deviation in multi-layer light field displays.

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